PERIODICITY IN HUMAN BEINGS AND MICE 



857 



Mean rectal temperatures of groups investigated, during the second montli of experiment 

 (12 subjects / group). 



99 



"598 



97 



o 



ro 



6 

 O 



O 

 O 



CO 

 O 



O 

 ro 



rO 

 O 



O 

 O 



in 



o 



o 



ro 

 O 



O 



o 



CD 



o 



o 



PO 

 CD 



o 



o 

 o 



o 



fO 



o 

 o 



o 



o 

 o 



o 



ro 



O 

 O 



b 



CJ 



o 



ro 



O 

 O 



ro 

 CO 



Time of Doy 



Fig. 28. Shift in phase of temperature rhythm following a 6-hr shift in 

 schedule during the second month after initiation of the shifted schedule. 

 Twelve subjects per group. 



o o o 



o ro o 



d — ro 



CO CO CO 



Time of Day 



Fig. 29. Shift in phase of eosinophil rhythm following a 6-hr shift in 

 daily routine during the second month after initiation of the shifted 

 schedule. Twelve subjects per group. Curve smoothed by moving average 

 of two items; relative means for each time and group are drawn on the 

 grid to visualize original data. 



